Ultraviolet air purifier



FIG. 1 is a perspective view of an ultraviolet air purifier showing mynew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The dashed lines depict portions of the ultraviolet air purifier thatform no part of the claimed design.

CLAIM The ornamental design for an ultraviolet air purifier, as shownand described.